Ramayana
अवध्येराक्षसेन्द्रस्य न व्यथांजनयंस्तदा । पुनरेवाधतंरामोरथस्थंराक्षसाधिपम् ॥ ६-१००-३८
- and impenetrable, could not cause any pain to Ravana, king of Rakshasa's at that time. To that king of Rakshasas seated in the chariot, again Rama - ॥ 6-100-38॥
english translation
avadhyerAkSasendrasya na vyathAMjanayaMstadA । punarevAdhataMrAmorathasthaMrAkSasAdhipam ॥ 6-100-38
hk transliteration by Sanscript